Introducció
The YUNZII C75 is a versatile 75% layout mechanical keyboard designed for a premium typing experience across multiple devices and operating systems. It features a gasket-mounted structure, hot-swappable switches, vibrant RGB lighting, and tri-mode connectivity, making it suitable for various uses from gaming to professional work.

Especificacions
| Característica | Descripció |
|---|---|
| Producte | YUNZII C75 |
| Tipus | Cake Kitten Wireless Custom Mechanical Keyboard |
| Disseny | 75% Layout, 84-Key |
| RGB | South-facing RGB, Side-Light, and Smiley Light (18 modes) |
| Opcions de color | Pink, Beige, Blue, Purple |
| Switch Choices | YUNZII Milk V2 Linear Switch / YUNZII Candy Linear Switch |
| Estructura | Gasket Mounted (5-layer sound dampening) |
| Bateria | 5500 mAh |
| Connexió | 2.4GHz Wireless, USB-C Wired, Bluetooth 5.0 (Tri-mode) |
| Dimensions del producte | 335.9 x 162.1 x 44mm (13.22 x 6.38 x 1.73 polzades) |
| Pes del producte | 1008 g (2.22 lliures) |
| Taps de claus | Dye-Sublimation PBT MOA Profile Keycaps (Anti-oil) |
| Personalització | Supports Windows software, Win & Mac online website customization (RGB, key remapping, macros) |
| Compatibilitat del sistema | Windows, macOS, Android, iOS |
| NKRO | Yes (N-Key Rollover) |
| Intercanviable en calent | Full-key hot-swappable, supports 3-pin or 5-pin mechanical switches |
| Substància química molt preocupant | Cap |
| paquet | Sí |
| Suport de canell | No |
| Tipus d'interfície | USB |
| Bateria inclosa | Sí |
| Certificació | CE, Dot, FCC, RoHS, WEEE |
Contingut del paquet
The YUNZII C75 keyboard package includes the following items:

- C75 Keyboard x1
- USB Cable (Type-C) x1
- Switch and Keycap Puller x1
- Function Card & Manual x1
- Cute Cat Stickers x1
- Coberta antipols x1
- Mouse Pad x1
- Greeting Card x1
- Tecles i interruptors addicionals
Configuració
1. Càrrega del teclat
Before first use, fully charge the keyboard using the provided USB Type-C cable. Connect the cable to the keyboard's Type-C port and a power source (e.g., computer USB port, wall adapter). The keyboard features a 5500mAh battery for extended use.

2. Connecting the Keyboard (Tri-Mode)
The YUNZII C75 supports three connection modes: 2.4GHz Wireless, Bluetooth 5.0, and USB-C Wired.

2.1. Connexió sense fil de 2.4 GHz
- Locate the 2.4GHz wireless dongle. It is hidden under the cute cat paw design on the keyboard.
- Plug the 2.4GHz dongle into an available USB port on your computer.
- Switch the keyboard to 2.4GHz mode (usually indicated by a switch on the keyboard or an Fn key combination, refer to the Function Card for specifics).
- El teclat s'hauria de connectar automàticament.

2.2. Connexió Bluetooth
- Switch the keyboard to Bluetooth mode (Fn+1/2/3). The keyboard supports up to 3 Bluetooth devices.
- On your device (PC, laptop, tablet, phone), go to Bluetooth settings and search for new devices.
- Select "YUNZII C75" from the list of available devices to pair.
- The keyboard's indicator light will confirm successful pairing.
2.3. Connexió amb cable USB-C
- Connecteu el cable USB tipus C proporcionat al port del teclat.
- Connecteu l'altre extrem del cable a un port USB disponible de l'ordinador.
- The keyboard will automatically switch to wired mode and be ready for use.
3. System Switching
The YUNZII C75 is compatible with Windows, macOS, Android, and iOS. Use the following key combinations to switch between operating system modes:
- Mode Windows: Fn+A
- Mode macOS: Fn + S

Instruccions de funcionament
1. Function Key Combinations
The keyboard features various function key combinations for multimedia control and system functions:

Windows Fn+A Functions:
- Fn+F1: Computer
- Fn+F2: Navegador
- Fn+F3: correu electrònic
- Fn+F4: Calculadora
- Fn+F5: Player
- Fn+F6: Atura
- Fn+F7: Pista anterior
- Fn+F8: Reproduir/Pausa
- Fn+F9: Pista següent
- Fn+F10: Silenciar
- Fn+F11: baixar el volum
- Fn+F12: Puja el volum
macOS Fn+S Functions:
- F1: Screen Brightness Down
- F2: Screen Brightness Up
- F3: Control de missió
- F4: Launchpad
- F5: No Function
- F6: No Function
- F7: Pista anterior
- F8: Reproduir/Pausa
- F9: Pista següent
- F10: silenci
- F11: Baixa el volum
- F12: Pujada de volum
2. Control de retroiluminació RGB
The YUNZII C75 features 16.8 million RGB backlighting with various effects. Control the backlight using the following key combinations:

- Fn + Backspace: Backlight ON/OFF
- Fn + Enter: Change Backlight Color
- Fn + Up Arrow: Brightness Up
- Fn + Down Arrow: Brightness Down
- Fn + Right Arrow: Blinking Speed Up
- Fn + Left Arrow: Blinking Speed Down
- Fn + \|: Change Backlight Effect
Smiley Light and Side Light Controls:

- Smiley Light:
- Fn + Pause: ON/OFF
- Fn + Right Shift: Change Color
- Fn + Print: Change Effect
- Fn + [: Brightness Down
- Fn + ]: Brightness Up
- Fn + -: Speed Down
- Fn + =: Speed Up
- Llum lateral:
- Fn + Del: ON/OFF
- Fn + End: Change Color
- Fn + Home: Change Effect
- Fn + PgUp: Brightness Down
- Fn + PgDn: Brightness Up
- Fn + ,<: Speed Down
- Fn + .>: Speed Up
3. Customization Software
The YUNZII C75 offers extensive customization options through dedicated software for Windows and an online web interface for both Windows and Mac users. This allows you to:

- RGB Design: Personalize your own backlight effects and colors.
- Remap Keys: Customize key assignments to improve efficiency.
- Edició de macros: Combine multiple shortcuts into a single key.
Refer to the official YUNZII website or the included Function Card for instructions on downloading and using the customization software/web interfície.
Manteniment
1. Neteja del teclat
- Desconnecteu el teclat de tots els dispositius abans de netejar-lo.
- Utilitzeu un drap suau i sense pelusa lleugerament dampesbandiu amb aigua o una solució de neteja suau per netejar les tecles i casing.
- Per a una neteja més profunda, feu servir l'extractor de tecles inclòs per treure les tecles i netegeu-les per sota amb aire comprimit o un raspall petit.
- Ensure the keyboard is completely dry before reconnecting.
2. Commutadors intercanviables en calent
The YUNZII C75 features a hot-swappable PCB, allowing you to change mechanical switches without soldering.

- Use the included switch puller tool to carefully grip the switch and pull it straight up.
- Alineeu els pins del nou interruptor amb els forats de la placa de circuit imprès. Assegureu-vos que els pins estiguin rectes per evitar que es dobleguin.
- Premeu suaument el nou interruptor cap avall fins que encaixi al seu lloc. No el forceu.
- Proveu el nou interruptor per assegurar-vos que funciona correctament.
Resolució de problemes
- El teclat no respon:
- Assegureu-vos que el teclat estigui carregat.
- Check the connection mode (2.4GHz, Bluetooth, or Wired) and ensure it matches your device's connection.
- Per a 2.4 GHz, assegureu-vos que el dongle estigui ben connectat.
- For Bluetooth, re-pair the device if necessary.
- Try a different USB port or cable for wired connection.
- Problemes de connectivitat Bluetooth:
- Ensure your computer has Bluetooth functionality. If not, a Bluetooth adapter may be required.
- Make sure the keyboard is in Bluetooth pairing mode (Fn+1/2/3).
- Remove the keyboard from your device's Bluetooth list and re-pair.
- Assegureu-vos que cap altre dispositiu interfereixi amb el senyal Bluetooth.
- Il·luminació RGB no funciona/incorrecta:
- Check the backlight ON/OFF key combination (Fn + Backspace).
- Adjust brightness (Fn + Up/Down Arrow).
- Use the customization software to reset or reconfigure RGB settings.
- Claus que no es registren o s'escriuen dues vegades:
- This could indicate a faulty switch. Use the switch puller to replace the affected switch with one of the extra switches provided.
- Ensure switches are fully seated in their sockets.
Consells per a l'usuari
- Dongle Location: Remember that the 2.4GHz dongle is cleverly hidden under the cat paw design on the keyboard for safekeeping.
- Personalització del commutador: Avançanttage of the hot-swappable feature to experiment with different switch types (3-pin or 5-pin) to find your preferred typing feel without needing to solder.
- Personalització del programari: Utilize the Windows software or online web customization tool to personalize RGB lighting, remap keys, and create macros for enhanced productivity or gaming.
- Vinculació de diversos dispositius: The keyboard can connect to up to 5 devices (3 via Bluetooth, 1 via 2.4GHz, 1 via wired). This is useful for switching between a PC, laptop, and tablet seamlessly.
Garantia i Suport
For warranty information, technical support, or service inquiries, please refer to the official YUNZII weblloc web o contacteu directament amb el venedor. Conserveu el comprovant de compra per a qualsevol reclamació de garantia.





